About
A marginal aquatic perennial with submerged leaves only, in long, narrow dark green segments 30cm long. The long, slender stems with up to two flower stems bear white, daisy-like flowers, 2-3cm across with 6-8 overlapping petals, in early summer.
About the genus
Ranunculus can be annuals, biennials, evergreen or herbaceous perennials, with rhizomes, tubers or spreading by runners. The leaves are variable but often palmately lobed or dissected and the flowers usually bowl-shaped
Growing conditions
SunlightFull sun
Soil typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moisturePoorly-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeAquatic, Herbaceous Perennial
HabitSubmerged, Trailing
FoliageSemi evergreen
HeightUp to 10 cm
Spread1.5-2.5 metres
Time to full height2-5 years
Suggested usesWildlife gardens
ToxicityHarmful if eaten, skin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in muddy pool margins in water 15-60cm deep, in full sun. Will grow in slow or fast moving fresh water in rivers or streams. See pond plants for further advice
PruningNo pruning required
PropagationPropagate by seed sown as soon as ripe
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free